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Business and self-employed: 2nd tax instalment for 2026/27 due 15 November
Based on: Daily FT, 16 October 2026 · Checked by us: 27 October 2026
In one line
If you pay income tax in quarterly instalments, pay the 2nd InstalmentQuarterly advance payments of income tax. See all tax words for 2026/27 by 15 November 2026.
Key points
- From 1 April 2026, instalments are usually based on last year's Taxable incomeIncome left after reliefs; tax is calculated on this. See all tax words.
- If you had no taxable income last year, or expect lower income this year, you can use this year's estimate instead.
- The old SET form is no longer needed from 1 April 2026.
- 15 November is a Sunday. Paying at a bank? Pay by Friday 13 November. Online: by 15 November.
What you should do
- Work out your instalment amount (ask an accountant if needed).
- Pay through IRD's Online Tax Payment Platform (OTPP) or at a bank.
- Keep the payment receipt and the Document Identification Number (DINDocument Identification NumberReference number used when paying tax, so the payment reaches the right account. See all tax words) safe.
If you don't
Paying too little adds interest, and a penalty may also apply if it stays unpaid.
Source
Was this clear?
This is not the Inland Revenue Department (IRD) website. Information here is a simple general explanation, not tax advice. Check ird.gov.lk or a qualified professional before you act.